Quectel L20 User Manual
L20
Quectel GPS Engine
EVB User Guide
L20_EVB_User_Guide_V1.0
sales@eddywireless.com
L20 EVB User Guide
L20_EVB_User_Guide_V1.0 - 1 -
Document Title
L20 EVB User Guide
Version
1.0
Date
2010-12-20
Status
Release
Document Control ID
L20_EVB_User_Guide_V1.0
General Notes
Quectel offers this information as a service to its customers, to support application and
engineering efforts that use the products designed by Quectel. The information provided is
based upon requirements specifically provided to Quectel by the customers. Quectel has not
undertaken any independent search for additional relevant information, including any
information that may be in the customer’s possession. Furthermore, system validation of this
product designed by Quectel within a larger electronic system remains the responsibility of
the customer or the customer’s system integrator. All specifications supplied herein are
subject to change.
Copyright
This document contains proprietary technical information which is the property of Quectel
Limited. The copying of this document, distribution to others, and communication of the
contents thereof, are forbidden without express authority. Offenders are liable to the payment
of damages. All rights are reserved in the event of a patent grant or registration of a utility
model or design. All specification supplied herein are subject to change without notice at any
time.
Copyright © Shanghai Quectel Wireless Solutions Co., Ltd. 2010
Quectel
Quectel
by the customers.
by the customers.
within a larger electronic system remains the responsibility of
within a larger electronic system remains the responsibility of
Quectel
Shanghai
Shanghai
L20 EVB User Guide
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Contents
0. Revision History ........................................................................................................................... 5
1. Introduction ................................................................................................................................... 6
1.1. Reference ............................................................................................................................. 6
1.2. Abbreviations ...................................................................................................................... 6
2. EVB Kit Introduction .................................................................................................................... 7
2.1. EVB Top and Bottom View ................................................................................................. 7
2.2. EVB Accessories ................................................................................................................. 9
3. Interface Application ................................................................................................................... 10
3.1. Power Interface ................................................................................................................. 10
3.2. UART Interface ................................................................................................................. 11
3.3. Antenna Interface .............................................................................................................. 12
3.4. Switches ............................................................................................................................ 12
3.5. Operating Status LEDs ...................................................................................................... 13
3.6. Test Points ......................................................................................................................... 14
4. EVB and Accessories .................................................................................................................. 15
5. Starting SiRFLive ....................................................................................................................... 16
Quectel
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Table Index
TABLE 1: REFERENCE .......................................................................................................................... 6
TABLE 2: ABBREVIATIONS ................................................................................................................. 6
TAB LE 3: PINS OF UART PORT ......................................................................................................... 11
TAB LE 4: SWITCHES AND BUTTONS .............................................................................................. 13
TAB LE 5: OPERATING STATUS LEDS .............................................................................................. 13
TAB LE 6: PINS OF J102 & J104........................................................................................................... 14
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Figure Index
FIGURE 1: EVB TOP VIEW ................................................................................................................... 7
FIGURE 2: EVB BOTTOM VIEW ......................................................................................................... 8
FIGURE 3: EVB ACCESSORIES ........................................................................................................... 9
FIGURE 4: POWER INTERFACE ........................................................................................................ 10
FIGURE 5: UART INTERFACE ........................................................................................................... 11
FIGURE 6: ANTENNA INTER FACE ................................................................................................... 12
FIGURE 7: SWITCHES ......................................................................................................................... 12
FIGURE 8: OPERATING STATUS LEDS ............................................................................................ 13
FIGURE 9: TEST POINTS J102 & J104 ............................................................................................... 14
FIGURE 10: EVB AND ACCESSORY EQUIPMENTS ....................................................................... 15
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0. Revision History
Revision
Date
Author
Description of change
1.0 2010-12-20 Roy Chen Initial
Quectel
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